ryno267 - 9:32 am on Jan 5, 2011 (gmt 0)

only use dashes.
best practice. example.com/clean-urls-good-seo

If you have ajaxed content you can use #! in url too and they will still rank w/o issue

[edited by: goodroi at 11:48 am (utc) on Jan 5, 2011]
[edit reason] examplified [/edit]